No matter new customer or old customer, We believe in long term and trusted relationship for air condition, Recuperator , Ventilation Unit , sensible heat exchanger ,air purification system . Items won certifications with the regional and international primary authorities. For far more detailed information, please contact us! The product will supply to all over the world, such as Europe, America, Australia,Tanzania , Nairobi ,United Arab emirates , Sudan .At Present, our products have been exported to more than sixty countries and different regions, such as Southeast Asia, America, Africa, Eastern Europe, Russia, Canada etc. We sincerely hope to establish wide contact with all potential customers both in China and the rest part of the world.